2017 Master Exam Preparation Book Package

This is a great self-study book program that provides in-depth instruction on Theory, Code, and Calculations.This library includes: Electrical Exam Preparation Textbook - Understanding the NEC, Volume 1, Articles 90-480 Textbook - Understanding the NEC, Volume 2, Articles 500-820 Textbook - Electrical Theory Textbook - Master/Contractor Practice Exam.